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J. MASSON 8v J. LOCHELONGUE.

RAILWAY SWITCH.

No. 601,352.- Patented Mar. 29,1898.

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RAILWAY SWITCH.

Patented Mar. 29, 1898.

IINTTED STATES PATENT Trient JULES MASSON, OF ASNIERES, AND JULESLOOl-IELONGUE, OF PARIS, I

FRANCE, ASSIGNORS TO JAMES SLOPER, OF BOIS-DE-COLUMBES, AND FREDERIC DEREISET, OF PARIS, FRANCE.

RAi LWAY-SWITCHI.-

SPECIFICATION forming part of Letters Patent No. 601,352, dated March29, 1898.

Application filed September 24,1897. Serial No. 652,826. (No model.)Patented in France August l, 1896, No. 258,574; in Belgium December14,1896,No. 125,178, and in England December l5, 1896, No. 28,737.

To all whom it may concern:

Be it known that we, JULES MASSON, a resident of Asnires, (Seine,) andJULES LOCHE.

Y simple and effective means for controlling a railway-switch, so thatit shall be at all times locked positively when it is approached by alocomotiveor car from the point and shall be automatically unlocked andreleased to permit the free passage of a locomotive or car from the mainline or from the siding when such locomotive or car passes over theswitch from the heel. At the same time provision is made whereby theswitch can be operated by hand to direct the approaching locomotive orcar upon the siding or upon the main line, as desired.

We will describe our invention in detail hereinafter with reference tothe accompanying drawings, in which- Figure 1 is a plan view of aportion of a railway track and switch to which our inventionl is appliedin a convenient and practical form. Fig. 2 is a side view of the partsshown in Fig. l, but with the switch-stand removed and the switch-rod insection. Fig. 3 is a detail view in section on the plane indicated bythe line :r of Fig. 1. Fig. 4 is a detail view in section on the planeindicated by the line y 'y of Fig. 1. Fig. 5 is a detail view, partly inside elevation and partly in section, illustrating the application of aspring in place of aweight, as shown in Figs. 1 and 2.

In the arrangement represented in the drawings the fixed rails of themain track are-represented at A A and those of the siding at B B, whilethe movable switch-tongues A' and B', coupled by links a Z) or otherwiseand suitably tapered, form continuations of the respective fixed railsof the main line and the siding; but it will be obvious that the partsmay be arranged in any desired man?` ner, this invention having to dowith the means for moving and locking a movable switch-tongue.

As represented in Fig. 3,the movable switchtongue B may be connected bya switch-rod C to a suitable switch-lever C, which may be arranged inany convenient manner and is represented in said ligure as havingapplied thereto a suitable counterweight o and as pivoted upon asuitable base or standard c. Any

desired means, however, may be employed for the operation of the switchby hand without affecting the application of our present improvement tothe switch.

To provide for the locking of the movable switch tongue, we haverepresented said tongue as having a projecting stud or tenon b', whichis formed with an eye b2 and is adapted to enter and project through asuitable hole a" in the fixed rail A or in any other iixed abutmentwhich may be provided for the purpose. A locking-pin D is arranged toenter the eye b2 in the stud or tenon b or otherwise 'to engage the sameto lock the movable tongue B'positively in position. p said locking-pinD is adapted to be withdrawn automatically to release the switchtonguewhenever a locomotive or car approaches the. switch from the rear orfrom the heel, a lever or system of levers being pro- Thev vided forthis purpose, so-that the lockingpin can be withdrawn by the locomotiveor car at a suitable distance from the switch. In the drawings we haveshown a long lever E, which is mounted in close proximity to the xedrail A and which normally stands for a portion of its length slightlyabove the bearing-surface of the rail, so that it will Ybe depressed bya wheel of the locomotive or car as it rolls over the rail and therebywill withdraw the pin D, which isrepresented as carried directly uponthe vfree end of said lever E. The said lever is held in its normalposition by any suitable means, such as a lever F, which in theconstruction shown is represented as comprising a short shaft f, mountedin suitable bearings, an arm f,'which underlies the lever E, and an armf2, to which may be applied a counterweight f3, adjustable to secure theproper action and held in place by a set-screw f4. The arms f and j"2may also be adjustable upon the shaft f, being held in adjusted positionby set-screws f5. y

It will now be readily understood that the locking-pin D normally holdsthe switchtongue B' positively from movement and that lwhen theylocomotive or car approaches the switch from the rear or heel end saidlockingpin is automatically withdrawn and the said switch-tongue Byields to permit the wheels of the locomotive or car to pass along thefixed rail A, the said switch-tongue being returned to its normalposition after the locomotive or car has passed by the counterweight orspring applied to the switch-lever I C and being immediately engagedagain by the locking-pin D.

Should it be desired to move the switchtongue by hand, it will obviouslybe necessary rst to withdraw the locking-pin. For this purpose we haveprovided a foot-lever G, mounted in close proximity to the switchstandand consisting, in the arrangement shown, of a short shaft g, mounted insuitable bearings,` an arm g', underlying the counter- Weight f3 of thelever F, and an arm g2, having a foot-piece g8 in convenient position tobe pressed by the switchmans foot as he takes position to operate thelever C. Such action lifts the counterweight f3 and permits the weightof the lever E of itself to Withdraw the locking-pin D and thereby leavethe switch-tongue free to be shifted.

In Fig. 5 we have represented a spring applied to the locking-lever E inplace of the lever F and its counterweight. As there represented a rod Fis applied to the lockinglever E and is guided by a bracket f6. A springf7 bears at one end against a suitable support and at the other againsta collar or shoulder f8, formed on or secured to the rod F', therebynormally maintaining the locking-lever E in its elevated position. Abellcrank lever I-I is suitably supported in engagement with the rod Fand may be connected by a link h to a suitable foot-lever in proximityto the switch-stand, whereby the locking-lever may be drawn down againstthe pressure of the springfA7 to release the switchtongue Whenever it isdesired to shift the latter by hand.

not intend to restrict our invention to the precise construction andarrangement of parts shown and described herein.

We claim as our inventionl. In a railway-switch, the combination of amovable switch-tongue, a locking-pin to retain the same positivelyagainst movement, 'a locking-lever mounted in proximity to the v trackto be operated by a passing locomotive or car to withdraw saidlocking-pin, means to hold said lever normally in elevated posiytion andmeans to depress said lever at will gto withdraw said locking-pin,substantially `as shown and described. 2. ln a railway-switch, thecombination oi' a movable switch-tongue, a locking-pin to retain thesame positively against movement, ia locking-lever mounted in proximityto the track to be operated by a passing locomotive for car to withdrawsaid locking-pin, a coungt-erbalanced lever to hold said locking-leverlnormally in elevated position and a lever to l move saidcounterbalanced lever and release lthey locking-lever, and means toshift said switch-tongue at will, substantially as shown 1ganddescribed. l, 3. In a railway-switch, the combination of ia movableswitch-tongue, a counterbalanced lsWitch-lever connected thereto, alocking-pin i to retain said switch-lever positively against lmovement,a locking-lever mounted in proxlimity to the track to be operated by apass- ;ing locomotive or car to withdraw said lock- ;ing-pin, acounterbalanced lever to hold said flocking-lever normally in elevatedposition, and a foot-lever to move said counterbalanced lever andrelease the locking-lever, substanltially as shown and described.

This specification signed and witnessed this l 11th day of September, A.D. 1897.

JULES MASSON. JULES LOCHELONGUE. In presence of-- GEORGE MUNROE,CUTHBERT W. WADDY.

It will be understood, of course, that we do'

